WO2007037684A1 - Procédé et dispositif électromagnétique entraînant l'écoulement d'un fluide dans une formation perméable souterraine et trou de forage fourni avec ce dispositif - Google Patents

Procédé et dispositif électromagnétique entraînant l'écoulement d'un fluide dans une formation perméable souterraine et trou de forage fourni avec ce dispositif Download PDF

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Publication number
WO2007037684A1
WO2007037684A1 PCT/NL2006/000488 NL2006000488W WO2007037684A1 WO 2007037684 A1 WO2007037684 A1 WO 2007037684A1 NL 2006000488 W NL2006000488 W NL 2006000488W WO 2007037684 A1 WO2007037684 A1 WO 2007037684A1
Authority
WO
WIPO (PCT)
Prior art keywords
borehole
tubing
permeable formation
electromagnetic device
previous
Prior art date
Application number
PCT/NL2006/000488
Other languages
English (en)
Inventor
Marius Wilhelmus Wulffers
Original Assignee
Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno filed Critical Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno
Publication of WO2007037684A1 publication Critical patent/WO2007037684A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
    • E21B36/04—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones using electrical heaters
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • E21B43/2401—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection by means of electricity

Definitions

  • a permeable formation is a subterranean medium through which a fluid, such as oil can flow.
  • a fluid such as oil
  • permeable formations are soils, sands, shales of porous rocks and faults, and channels within non-porous rocks.
  • a flow of oil from the permeable formation via a borehole in an applicator well towards the earth's surface is generated by natural force, such as the internal pressure in the formation.
  • a secondary stage such an oil flow is enhanced by injecting auxiliary energy in the subsurface, such as steam air or natural gas in order to displace the oil.
  • auxiliary energy in the subsurface such as steam air or natural gas in order to displace the oil.
  • more sophisticated methods are applied to improve oil production of the nearly exhausted field, such as miscible fluid displacement, microemulsion flooding, etc.
  • the invention relates to a method for causing a subterranean fluid flow through a permeable formation, comprising the steps of:
  • a disadvantage of this type of materials is that they are rather uncommon for oil exploration techniques, especially under operational conditions well below the earth's surface. Therefore, such materials cause extra costs, e.g. during the process of drilling the tubing of the borehole into the subsurface.
  • the tubing is provided with openings and corresponding valves for closing the openings, so that the fluid flow that increases due to the temperature rise caused by the electromagnetic device and containing the oil particles can be received in the same borehole wherein the electromagnetic device is provided.
  • the same borehole can be used for production.
  • no neighbouring boreholes are required to receive the fluid flow, thereby saving costs.
  • exploring the oil via one borehole wherein the electromagnetic device is provided is more attractive in terms of energy efficiency, since the thermal energy of the partial oil stream is optimally, locally utilized.
  • the borehole 1 comprises a tubing 6 extending from a lower side of the secondary casing 5 downwards into a permeable formation 7 of the subsurface.
  • the outer perimeter of the tubing 6 is smaller than the inner diameter of the secondary casing 5, thus enabling a relatively easy construction of the tubing 6 via the secondary casing 5.
  • the tubing 6 is formed from conventional tubing material, such as steel. However, also other conventional tubings could be used.
  • the invention is not restricted to the embodiments described herein. It will be understood that many variants are possible. Instead of using a primary and a secondary casing, also a single casing might be employed. Also other electromagnetic device types might be used, e.g. having rectangular- shaped antennas or strips.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

La présente invention concerne un procédé permettant de créer l'écoulement d'un fluide souterrain dans une formation perméable. Le procédé consiste, dans une première étape, à placer un dispositif électromagnétique dans un trou de forage qui se trouve sous la surface de la terre et comprend un tubage enfoncé dans la formation perméable. Le procédé inclut ensuite une étape d'activation du dispositif électromagnétique pour chauffer le matériau de la formation perméable. L'étape qui consiste à placer le dispositif électromagnétique dans le trou de forage implique également de positionner le dispositif sensiblement à l'extérieur du tubage du trou de forage.
PCT/NL2006/000488 2005-09-29 2006-09-29 Procédé et dispositif électromagnétique entraînant l'écoulement d'un fluide dans une formation perméable souterraine et trou de forage fourni avec ce dispositif WO2007037684A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05077227A EP1770242A1 (fr) 2005-09-29 2005-09-29 Procédé et dispositif électromagnétique pour obtenir l'écoulement d'un fluide dans une formation perméable souterraine, et forage équipée d'un tel dispositif
EP05077227.6 2005-09-29

Publications (1)

Publication Number Publication Date
WO2007037684A1 true WO2007037684A1 (fr) 2007-04-05

Family

ID=35781300

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2006/000488 WO2007037684A1 (fr) 2005-09-29 2006-09-29 Procédé et dispositif électromagnétique entraînant l'écoulement d'un fluide dans une formation perméable souterraine et trou de forage fourni avec ce dispositif

Country Status (2)

Country Link
EP (1) EP1770242A1 (fr)
WO (1) WO2007037684A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757739A (en) * 1952-01-07 1956-08-07 Parelex Corp Heating apparatus
US3547193A (en) * 1969-10-08 1970-12-15 Electrothermic Co Method and apparatus for recovery of minerals from sub-surface formations using electricity
US4951748A (en) * 1989-01-30 1990-08-28 Gill William G Technique for electrically heating formations
US5082054A (en) * 1990-02-12 1992-01-21 Kiamanesh Anoosh I In-situ tuned microwave oil extraction process
US5323855A (en) * 1991-05-17 1994-06-28 Evans James O Well stimulation process and apparatus
US5621844A (en) * 1995-03-01 1997-04-15 Uentech Corporation Electrical heating of mineral well deposits using downhole impedance transformation networks
US6353706B1 (en) * 1999-11-18 2002-03-05 Uentech International Corporation Optimum oil-well casing heating

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6189611B1 (en) 1999-03-24 2001-02-20 Kai Technologies, Inc. Radio frequency steam flood and gas drive for enhanced subterranean recovery

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757739A (en) * 1952-01-07 1956-08-07 Parelex Corp Heating apparatus
US3547193A (en) * 1969-10-08 1970-12-15 Electrothermic Co Method and apparatus for recovery of minerals from sub-surface formations using electricity
US4951748A (en) * 1989-01-30 1990-08-28 Gill William G Technique for electrically heating formations
US5082054A (en) * 1990-02-12 1992-01-21 Kiamanesh Anoosh I In-situ tuned microwave oil extraction process
US5323855A (en) * 1991-05-17 1994-06-28 Evans James O Well stimulation process and apparatus
US5621844A (en) * 1995-03-01 1997-04-15 Uentech Corporation Electrical heating of mineral well deposits using downhole impedance transformation networks
US6353706B1 (en) * 1999-11-18 2002-03-05 Uentech International Corporation Optimum oil-well casing heating

Also Published As

Publication number Publication date
EP1770242A1 (fr) 2007-04-04

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